Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 38, NWS Wilmington, OH

May 23, 2011Ripley County, Indiana

NWS Wilmington, OH issued this tornado warning at May 23, 2011, 6:23 PM EDT for Ripley County, Indiana. It was in force for 37 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 23, 2011, 6:23 PM EDT (22:23 UTC)
Expired: May 23, 2011, 7:00 PM EDT
In force: 37 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

County Ripley County, IN

The radar

The Indianapolis radar (KIND), 101 km from the middle of the area, began a volume at 22:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 23, 6:30 PM EDT	HAIL 1	Holton, IN
May 23, 6:34 PM EDT	TSTM WND DMG	Napoleon, IN	BARN DESTROYED. NUMEROUS TREES DOWN ACROSS THE COUNTY.
May 23, 6:43 PM EDT	TORNADO 0	6 Nne Milan, IN	CONFIRMED BY NWS STORM SURVEY. EF0 TORNADO WITH WIND SPEEDS APPROXIMATELY 80 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 23, 4:28 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 hours before the alert went out and 136 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 170 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

320 
WFUS51 KILN 232223
TORILN
INC137-232300-
/O.NEW.KILN.TO.W.0038.110523T2223Z-110523T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
623 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN RIPLEY COUNTY IN SOUTHEAST INDIANA...

* UNTIL 700 PM EDT.

* AT 621 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 7 MILES WEST 
OF HOLTON...MOVING NORTHEAST AT 30 MPH. IN ADDITION TO THE   
TORNADO...THIS STORM IS CAPABLE OF PRODUCING ONE INCH HAIL AND 
DESTRUCTIVE STRAIGHT LINE WINDS TO 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OSGOOD...
  MILAN...
  BATESVILLE...

IN ADDITION...HOLTON...OTTER VILLAGE...NAPOLEON...PENNTOWN AND SUNMAN
ARE NEAR THE PATH OF THIS DANGEROUS THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-74 BETWEEN MILE MARKERS 149 AND 157...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY
AND SOUTHWESTERN OHIO.

&&

LAT...LON 3911 8544 3920 8545 3920 8544 3931 8522
      3931 8507 3912 8510 3903 8544 3911 8545
TIME...MOT...LOC 2223Z 233DEG 28KT 3909 8550

$$

HATZOS

2 follow-up statements

736 
WWUS51 KILN 232235
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
635 PM EDT MON MAY 23 2011

INC137-232300-
/O.CON.KILN.TO.W.0038.000000T0000Z-110523T2300Z/
RIPLEY IN-
635 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT FOR NORTHERN
RIPLEY COUNTY...

AT 634 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
OSGOOD...MOVING EAST AT 50 MPH. IN ADDITION TO THE TORNADO...THIS 
STORM IS CAPABLE OF PRODUCING ONE INCH SIZED HAIL AND DESTRUCTIVE 
STRAIGHT LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
BATESVILLE AND MILAN.

IN ADDITION...SUNMAN AND PENNTOWN ARE NEAR THE PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF
FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

&&

LAT...LON 3911 8544 3920 8545 3920 8544 3931 8522
      3931 8507 3912 8510 3903 8544 3911 8545
TIME...MOT...LOC 2235Z 257DEG 49KT 3911 8523

$$

HATZOS

886 
WWUS51 KILN 232253
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
653 PM EDT MON MAY 23 2011

INC137-232303-
/O.EXP.KILN.TO.W.0038.000000T0000Z-110523T2300Z/
RIPLEY IN-
653 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR NORTHERN RIPLEY COUNTY WILL EXPIRE AT 700
PM EDT...

CIRCULATIONS HAVE MOVED OUT OF RIPLEY COUNTY...AND THEREFORE THE 
TORNADO WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...GUSTY WINDS AND 
VERY HEAVY RAIN ARE STILL POSSIBLE WITH THIS STORM.

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3911 8544 3920 8545 3920 8544 3931 8522
      3931 8507 3912 8510 3903 8544 3911 8545
TIME...MOT...LOC 2253Z 257DEG 49KT 3916 8492

$$

HATZOS

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 2:37 AM EDT	Special Weather Statement	ILN	Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more	53 min
May 23, 6:14 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Franklin, Ohio, Ripley, Switzerland	61 min
May 23, 6:29 PM EDT	Severe Thunderstorm Warning	ILN	Switzerland	61 min
May 23, 6:30 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Union, Wayne	60 min
May 23, 6:34 PM EDT	Areal Flood Advisory	ILN	Ripley	86 min
May 23, 6:42 PM EDT	Tornado Warning	ILN	Dearborn, Franklin	33 min
May 23, 6:57 PM EDT	Tornado Warning	ILN	Ohio, Switzerland	33 min

Nearby

Tornado Warnings in Indiana, 2011 Every tornado warning in 2011 Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.